Multiple choice

Which among the following enzymes is produced in the duodenum and is known as a significant brush border enzyme?

  1. Secretin

  2. Cholecystokinin

  3. Gastric inhibitory peptide

  4. Motilin

  5. Lactase

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is a significant brush border enzyme.This enzyme decreases with age, and as such lactose intolerance is often a common abdominal complaint in the older population, manifesting with bloating, abdominal pain, and osmotic diarrhea.